A ll 15 people who were on a skydiving aircraft were being treated for injuries after the small plane crashed at Cross Keys Airport in Williamstown, New Jersey, on Wednesday, according to a hospital spokesperson.

WILLIAMSTOWN, N.J. (WPVI) -- Fourteen people were injured after a single-engine skydiving plane crashed on Wednesday in Gloucester County, New Jersey. The call came in around 5:25 p.m. for a mass casualty incident at Cross Keys Airport, located on the 1500 block of North Tuckahoe Road in Williamstown.

A downed aircraft near Cross Keys Airport in Williamstown, New Jersey, has prompted a "mass casualty incident," Gloucester County Emergency Management said Wednesday. The officials added, "Please avoid the area to allow emergency vehicles the best access!"